#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <assert.h>

#include "common.h"
#include "render_remote.h"
#include "remote_node.h"

int remote_node_init (struct remote_node *node_info, const char *hostname, const char *portname) {
    // zero out the struct
    memset(node_info, 0, sizeof(*node_info));

    // XXX: currently, this is hardcoded to one, but should be automagically discovered
    node_info->parallel_renders = 1;

    // lookup the host:port
    portname = portname ? portname : RENDER_PORT_NAME;
    
    // XXX: stat it and look for a PF_UNIX socket!
    
    // PF_INET
    
    struct addrinfo hints, *results, *result;

    memset(&hints, 0, sizeof(hints));
    hints.ai_socktype = SOCK_STREAM;
    hints.ai_flags = AI_ADDRCONFIG;     // attempt to get a working address as the first result

    int err = getaddrinfo(hostname, portname, &hints, &results);
    
    if (err != 0) {
        error("getaddrinfo: [%s].%s: %s", hostname, portname, gai_strerror(err));

        return -1;
    }
    
    assert(results != NULL); // we expect at least one result

    // XXX: only use the first result, discard the rest.
    result = results;
    memcpy(&node_info->addr, result->ai_addr, result->ai_addrlen);

    freeaddrinfo(results);
    
    // success!
    node_info->valid = 1;
    return 0;
}